From ab463712474de5f99eec137a9c6233e55fe184f0 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Mon, 8 Mar 2021 18:31:53 -0300
Subject: shader: Initial support for textures and TEX
---
src/shader_recompiler/frontend/ir/ir_emitter.cpp | 133 ++++++++++++++++++++++-
1 file changed, 131 insertions(+), 2 deletions(-)
(limited to 'src/shader_recompiler/frontend/ir/ir_emitter.cpp')
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index f38b46bace..ae3354c669 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -7,11 +7,24 @@
#include "shader_recompiler/frontend/ir/value.h"
namespace Shader::IR {
-
-[[noreturn]] static void ThrowInvalidType(Type type) {
+namespace {
+[[noreturn]] void ThrowInvalidType(Type type) {
throw InvalidArgument("Invalid type {}", type);
}
+Value MakeLodClampPair(IREmitter& ir, const F32& bias_lod, const F32& lod_clamp) {
+ if (!bias_lod.IsEmpty() && !lod_clamp.IsEmpty()) {
+ return ir.CompositeConstruct(bias_lod, lod_clamp);
+ } else if (!bias_lod.IsEmpty()) {
+ return bias_lod;
+ } else if (!lod_clamp.IsEmpty()) {
+ return lod_clamp;
+ } else {
+ return Value{};
+ }
+}
+} // Anonymous namespace
+
U1 IREmitter::Imm1(bool value) const {
return U1{Value{value}};
}
@@ -261,6 +274,10 @@ U1 IREmitter::GetOverflowFromOp(const Value& op) {
return Inst<U1>(Opcode::GetOverflowFromOp, op);
}
+U1 IREmitter::GetSparseFromOp(const Value& op) {
+ return Inst<U1>(Opcode::GetSparseFromOp, op);
+}
+
F16F32F64 IREmitter::FPAdd(const F16F32F64& a, const F16F32F64& b, FpControl control) {
if (a.Type() != a.Type()) {
throw InvalidArgument("Mismatching types {} and {}", a.Type(), b.Type());
@@ -1035,6 +1052,82 @@ U32U64 IREmitter::ConvertFToI(size_t bitsize, bool is_signed, const F16F32F64& v
}
}
+F16F32F64 IREmitter::ConvertSToF(size_t bitsize, const U32U64& value) {
+ switch (bitsize) {
+ case 16:
+ switch (value.Type()) {
+ case Type::U32:
+ return Inst<F16>(Opcode::ConvertF16S32, value);
+ case Type::U64:
+ return Inst<F16>(Opcode::ConvertF16S64, value);
+ default:
+ ThrowInvalidType(value.Type());
+ }
+ case 32:
+ switch (value.Type()) {
+ case Type::U32:
+ return Inst<F32>(Opcode::ConvertF32S32, value);
+ case Type::U64:
+ return Inst<F32>(Opcode::ConvertF32S64, value);
+ default:
+ ThrowInvalidType(value.Type());
+ }
+ case 64:
+ switch (value.Type()) {
+ case Type::U32:
+ return Inst<F16>(Opcode::ConvertF64S32, value);
+ case Type::U64:
+ return Inst<F16>(Opcode::ConvertF64S64, value);
+ default:
+ ThrowInvalidType(value.Type());
+ }
+ default:
+ throw InvalidArgument("Invalid destination bitsize {}", bitsize);
+ }
+}
+
+F16F32F64 IREmitter::ConvertUToF(size_t bitsize, const U32U64& value) {
+ switch (bitsize) {
+ case 16:
+ switch (value.Type()) {
+ case Type::U32:
+ return Inst<F16>(Opcode::ConvertF16U32, value);
+ case Type::U64:
+ return Inst<F16>(Opcode::ConvertF16U64, value);
+ default:
+ ThrowInvalidType(value.Type());
+ }
+ case 32:
+ switch (value.Type()) {
+ case Type::U32:
+ return Inst<F32>(Opcode::ConvertF32U32, value);
+ case Type::U64:
+ return Inst<F32>(Opcode::ConvertF32U64, value);
+ default:
+ ThrowInvalidType(value.Type());
+ }
+ case 64:
+ switch (value.Type()) {
+ case Type::U32:
+ return Inst<F16>(Opcode::ConvertF64U32, value);
+ case Type::U64:
+ return Inst<F16>(Opcode::ConvertF64U64, value);
+ default:
+ ThrowInvalidType(value.Type());
+ }
+ default:
+ throw InvalidArgument("Invalid destination bitsize {}", bitsize);
+ }
+}
+
+F16F32F64 IREmitter::ConvertIToF(size_t bitsize, bool is_signed, const U32U64& value) {
+ if (is_signed) {
+ return ConvertSToF(bitsize, value);
+ } else {
+ return ConvertUToF(bitsize, value);
+ }
+}
+
U32U64 IREmitter::UConvert(size_t result_bitsize, const U32U64& value) {
switch (result_bitsize) {
case 32:
@@ -1107,4 +1200,40 @@ F16F32F64 IREmitter::FPConvert(size_t result_bitsize, const F16F32F64& value) {
throw NotImplementedException("Conversion from {} to {} bits", value.Type(), result_bitsize);
}
+Value IREmitter::ImageSampleImplicitLod(const Value& handle, const Value& coords, const F32& bias,
+ const Value& offset, const F32& lod_clamp,
+ TextureInstInfo info) {
+ const Value bias_lc{MakeLodClampPair(*this, bias, lod_clamp)};
+ const Opcode op{handle.IsImmediate() ? Opcode::BoundImageSampleImplicitLod
+ : Opcode::BindlessImageSampleImplicitLod};
+ return Inst(op, Flags{info}, handle, coords, bias_lc, offset);
+}
+
+Value IREmitter::ImageSampleExplicitLod(const Value& handle, const Value& coords, const F32& lod,
+ const Value& offset, const F32& lod_clamp,
+ TextureInstInfo info) {
+ const Value lod_lc{MakeLodClampPair(*this, lod, lod_clamp)};
+ const Opcode op{handle.IsImmediate() ? Opcode::BoundImageSampleExplicitLod
+ : Opcode::BindlessImageSampleExplicitLod};
+ return Inst(op, Flags{info}, handle, coords, lod_lc, offset);
+}
+
+F32 IREmitter::ImageSampleDrefImplicitLod(const Value& handle, const Value& coords, const F32& dref,
+ const F32& bias, const Value& offset,
+ const F32& lod_clamp, TextureInstInfo info) {
+ const Value bias_lc{MakeLodClampPair(*this, bias, lod_clamp)};
+ const Opcode op{handle.IsImmediate() ? Opcode::BoundImageSampleDrefImplicitLod
+ : Opcode::BindlessImageSampleDrefImplicitLod};
+ return Inst<F32>(op, Flags{info}, handle, coords, dref, bias_lc, offset);
+}
+
+F32 IREmitter::ImageSampleDrefExplicitLod(const Value& handle, const Value& coords, const F32& dref,
+ const F32& lod, const Value& offset, const F32& lod_clamp,
+ TextureInstInfo info) {
+ const Value lod_lc{MakeLodClampPair(*this, lod, lod_clamp)};
+ const Opcode op{handle.IsImmediate() ? Opcode::BoundImageSampleDrefExplicitLod
+ : Opcode::BindlessImageSampleDrefExplicitLod};
+ return Inst<F32>(op, Flags{info}, handle, coords, dref, lod_lc, offset);
+}
+
} // namespace Shader::IR
--
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